While should kids have all the fun? Retro underwear brand Underoos has returned, and this time adults can get in on the act. Pretend to be a superhero or villain -- depending on your mood -- with these new Underoos from Hot Topic.

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Wear Superman, Wonder Woman, Batman, Batgirl, Harley Quinn, Captain America, He-Man and Skeletor Underoos to give you a sense of geek pride without having to parade around in elaborate costumes. An ordinary day can seem extra special when you secretly dress like a superhero or villain under boring work clothes. Underoos also make great lounge and sleepwear.

Each set -- which includes a top and bottom -- sells for approximately $20 (roughly £13, AU$23) each. Plus, the styles are available for both men and women. Geek equality in underthings! The Underoos also come in retro-designed packaging just like when we were kids.

All sets are sold online and in Hot Topic stores.

The original Underoos brand, which was part of the Fruit of the Loom company, offered numerous styles, including "Star Wars" characters, Gremlins, E.T., Thundercats, Barbie, G.I. Joe, Scooby-Doo, Transformers, Spider-Man and other popular franchises. Here's hoping that if these new Underoos do well, Hot Topic will offer more of a selection for both geek guys and girls.

New Underoos come in the same retro-style packaging we all know and love.
Hot Topic